Overview#

FIPS 198-1 is a Federal Information Processing Standard that describes a Keyed-Hash Message Authentication Code (HMAC), a mechanism for message authentication using cryptographic Hash Functions.

HMAC can be used with any iterative Approved cryptographic Hash Function, in combination with a shared Secret-key

More Information#

There might be more information for this subject on one of the following:

• Keyed-Hash Message Authentication Code
• Password Validator